Global Patent Index - EP 1777490 A3

EP 1777490 A3 20130605 - Methods and apparatus for inspecting an object using structured light

Title (en)

Methods and apparatus for inspecting an object using structured light

Title (de)

Verfahren und Vorrichtung zur Untersuchung eines Objektes mittels strukturierten Lichts

Title (fr)

Procédé et appareil pour l'inspection d'un objet avec de la lumière structurée

Publication

EP 1777490 A3 20130605 (EN)

Application

EP 06255432 A 20061023

Priority

US 25718205 A 20051024

Abstract (en)

[origin: EP1777490A2] A method and apparatus for inspecting an object (12) using a light measurement system (10) that includes a light source (22) and an imaging sensor (24). This includes emitting light from the light source, dispersing light emitted from the light source into one of a diffraction pattern and an interference pattern, and imaging the patterned light onto the object using a lens (38).

IPC 8 full level

G01B 11/25 (2006.01)

CPC (source: EP US)

G01B 11/2513 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

DOCDB simple family (publication)

EP 1777490 A2 20070425; EP 1777490 A3 20130605; CN 1955720 A 20070502; CN 1955720 B 20101215; JP 2007121292 A 20070517; US 2007091302 A1 20070426; US 7492450 B2 20090217

DOCDB simple family (application)

EP 06255432 A 20061023; CN 200610164124 A 20061024; JP 2006287189 A 20061023; US 25718205 A 20051024